1. https://en.wikipedia.org/wiki/Bluetooth_Low_Energy
2. https://www.Bluetooth.com/what-is-Bluetooth-technology/where-to-find-it/retail-location-based-services
3. Khan, Z., Wang, Y.: Comparison of different CMOS low-noise amplifiers topologies for Bluetooth applications. In: 2005 IEEE Conference of Wireless and Microwave Technology, p. 15 (2005)
4. Heydon, R.: Bluetooth Low Energy: The Developer’s Handbook. Prentice Hall, Upper Saddle River, NJ (2013)
5. Bansal, M., Jyoti: CMOS LNA for BLE applications. In: 2017 4th International Conference on Science, Technology and Management, pp. 654–661 (2017)